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Commit 69113e8c authored by Marco Nelissen's avatar Marco Nelissen
Browse files

Truncate file before recording into it. 

Recording into an existing file of non-zero length could leave old
data in the file after the recording ends. Best case that wastes
space, worst case it results in a file that's considered corrupt
on playback.

Change-Id: I2c77a107603b2b36790958360ff0856c2b28d677
parent f888020c

media/libmediaplayerservice/StagefrightRecorder.cpp

+3 −0
Original line number Diff line number Diff line
@@ -260,6 +260,9 @@ status_t StagefrightRecorder::setOutputFile(int fd, int64_t offset, int64_t leng 
        return -EBADF;

    }



    // start with a clean, empty file

    ftruncate(fd, 0);



    if (mOutputFd >= 0) {

        ::close(mOutputFd);

    }